TIAGO

SUSPENSION

5.3 DIAGNOSIS

FRONT SUSPENSION & REAR SUSPENSION

Always road test the vehicle first before coming to any conclusion, Do some preliminary visual inspection and

correct any defects if found.

1. Inspect the tyre pressures and tyre wear.

2. Lift the vehicle using two post lift and inspect front and rear suspension for loose or damaged parts.

3. Rotate the wheels and check for out-of round tyres, bent rims, loose or rough wheel bearings.

4. Detailed inspection of parts / sub assembly of rear suspension is given in Inspection Section.

CONDITION

PROBABLE DEFECT

CORRECTIVE ACTION

Directional Instability and

Vehicle Pulling

1.Mismatched / uneven tyres wear.

1.Replace tyre.

2.Cracked / broken or sagging springs. 2.Replace spring.

3.Improper tyre inflation.

3.Adjust tyre pressure.

4.Misaligned front wheel geometry/rear

wheel geometry.

4.Check and adjust front wheel

alignment / rear wheel geometry.

5.Loose, bent or broken suspension

parts.

5.Tighten or replace suspension

Parts.

Unusual Excessive Tyre

Wear

1.Sagged springs or set springs.

1.Replace spring.

2.Tyres imbalanced.

2.Balance or replace tyres.

3.Faulty strut.

3.Replace Strut.

4.Misaligned front and rear wheel ge-

ometry.

4.Adjust the wheel alignment at

front / rear ends.

5.Vehicle over loaded.

5.Check Loading.

6.Loose or worn out wheel bearing.

6.Replace wheel bearing.

7.Tyre inflation not proper.

7.Adjust tyre pressure.

Wheel tramp

1.Bump on tyre.

1.Replace tyre.

2.Improper strut action.

2.Replace strut.

Suspension Bottoms

1.Vehicle overloaded.

1.Check loading.

2.Damaged bump stopper.

2.Replace bump stopper.

3.Springs set permanently broken.

3.Replace springs / sagging.

4.Faulty dampers.

4.Replace dampers.